7445385709021

Names of 7445385709021

• Cardinal: 7445385709021 can be written as Seven trillion, four hundred forty-five billion, three hundred eighty-five million, seven hundred nine thousand and twenty-one.

Scientific notation

• Scientific notation: 7.445385709021 × 10¹²

Factors of 7445385709021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4810

Divisors of 7445385709021

• Number of divisors d(n): 64
• Complete list of divisors:
  1 13 59 71 127 251 767 923 1651 3263 4189 4289 7493 9017 14809 17821 31877 54457 55757 97409 117221 192517 231673 253051 304519 414401 532003 544703 1051439 1076539 1880743 2263267 3289663 3958747 6916039 7081139 13668707 13995007 17966621 24449659 29422471 32137477 38673913 63515801 76434269 133532753 136720453 233566073 417787201 502760869 825705413 993645497 1735925789 1777365889 2281760867 4509621871 8066506727 9707152163 29662891271 58625084323 104864587451 126192978119 572721977617 7445385709021
• Sum of all divisors σ(n): 8369115955200
• Sum of proper divisors (its aliquot sum) s(n): 923730246179
• 7445385709021 is a deficient number, because the sum of its proper divisors (923730246179) is less than itself. Its deficiency is 6521655462842

Bases of 7445385709021

• Binary: 1101100010110000011100100100000010111011101₂
• Hexadecimal: 0x6C5839205DD
• Base-36: 2N0D2F0F1

Squares and roots of 7445385709021

• 7445385709021 squared (7445385709021²) is 55433768356094138880778441
• 7445385709021 cubed (7445385709021³) is 412725786715643833817087036333196016261
• The square root of 7445385709021 is 2728623.4091609271
• The cube root of 7445385709021 is 19526.7095822589

Scales and comparisons

• 7,445,385,709,021 seconds is equal to 236,740 years, 12 weeks, 1 day, 16 hours, 57 minutes, 1 second.
• To count from 1 to 7,445,385,709,021 would take you about five hundred ninety-one thousand, eight hundred fifty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 7445385709021 cubic inches would be around 1627.2 feet tall.

Recreational maths with 7445385709021

• 7445385709021 backwards is 1209075835447
• The number of decimal digits it has is: 13
• The sum of 7445385709021's digits is 55
• More coming soon!